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CSIR - Centre for Cellular & Molecular Biology

Council of Scientific and Industrial Research
Ministry of Science & Technology, Govt. of India

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Lekha Dinesh Kumar

Senior Principal Scientist
Email: lekha@ccmb.res.in
Phone: +91-040-27192933

Research Interests

Our laboratory is interested in studying the changes induced, with an emphasis on wnt signal transduction pathway, during the initiation and progression of colon and breast cancer. wnt deregulators are identified by molecular and in vitro cell culture methods and their role in both induction and progression of early lesions are tested by generating transgenic murine models. These models could also serve as an in vivo drug validation and testing models of colorectal neoplasia. Another project of interest in our laboratory is to look at the role of microRNAs (oncomiRs) in the development of colon and breast cancer. OncomiRs, a special class of non-coding microRNAs are found to be associated with a large number of cancers. We have developed a microRNA database for breast and colon cancer and experimentally tested these on different microarray platforms. Impaired microRNA signatures are noticed in different stages and grades of these tumours. We are further characterizing the microRNA targets for developing into functional biomarkers.

Selected Publications

Rekha Nair#, Vinod kumar Verma#, Syed Beevi+, Abdul Rawoof+, Liza Alexander+, Ramanjaneya Prasad, Kusuma Kumari, Prashant Kumar, Lekha Dinesh Kumar*. (2020).  MicroRNA signatures in blood or bone marrow distinguish subtypes of pediatric Acute Lymphoblastic Leukemia. Translational Oncology  13 (2020) 100800  http://dx.doi.org/10.1016/j.tranon.2020.100800

Abdul Rawoof, Guruprasadh Swaminathan, Shrish Tiwari, Rekha A Nair, and *Lekha Dinesh Kumar (2020). LeukmiR: A database for miRNAs and their targets in Acute Lymphoblastic Leukemia. (2020). DATABASE (Oxford press). Vol: 2020 1-11 :baz151. doi: 10.1093/database/baz151. PMID: 32128558 

Souneek Chakraborty,  Aviral Kumar, Anmol Kumar , Debasis Nayak, Aparna Golani, JedyJose ,*Lekha Dinesh Kumar  and *Anindya Goswami (2019).
Vimentin activation in early apoptotic cancer cells errands survival pathways during DNA damage inducer CPT treatment in colon carcinoma model. Cell Death and Disease .10:467
  https://doi.org/10.1038/s41419-019-1690-2 

Dinesh Kumar L. (eds) In: RNA Interference and Cancer Therapy. Methods in Molecular Biology, Springer Protocols (2019). vol 1974. Humana, New York, NY. doi:https://doi.org/10.1007/978-1-4939-9220-1_193.

Tangudu NK, Verma VK, Clemons TD, Beevi SS, Hay T, Mahidhara G, Raja M, Nair RA, Alexander LE, Patel AB, Jose J, Smith NM, Zdyrko B, Bourdoncle A, Luzinov I, Iyer KS, Clarke AR, *Dinesh Kumar L. (2015). RNA Interference Using c-Myc-Conjugated Nanoparticles Suppresses Breast and Colorectal Cancer Models. Molecular Cancer Therapeutics. 14 (5):1259-69. doi: 10.1158/1535-7163.MCT-14-0970. Epub 2015 Feb 18. PMID: 25695957. IF 4.8

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Lekha Dinesh Kumar

Senior Principal Scientist

2933

lekha@ccmb.res.in